nvent Raychem TraceTek TTA-SIM Installation & Operation Instructions page 6

Table 3. TTA-SIM-2 LED operational
status indications
Leak Service Indication
FLASH Leak detected. Check sensor
for leak or spill.
ON Leak alarm has been reset
by operator but the leak
condition still exists
FLASH The sensor needs servicing.
Check sensor and leadwires/
jumpers for continuity or
contamination.
Selecting location measurement units
The TTA-SIM-2 can be configured to display leak location in
either feet or meters. To select the desired units:
• Press the RESET button and hold it for approximately 3 seconds,
until the display shows "Unt".
• A small vertical bar in the LCD will appear next to either the Ft or
M label. Press (but do not hold) the RESET button to select the
desired units. When the vertical bar is next to the desired units,
press and hold the RESET for 3 seconds to accept the setting and
return to normal operation,
North America
Tel +1.800.545.6258
Fax +1.800.527.5703
thermal.info@nvent.com
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RaychemTraceTek-IM-H57541-TTASIM-EN-1805
User Action
Preset reset to
acknowledge
Press reset to
clear alarm once
leak is cleaned up
Press reset
to clear once
problem is
corrected
Europe, Middle East, Africa
Tel +32.16.213.511
Fax +32.16.213.604
thermal.info@nvent.com
Table 4. TTA-SIM communication status indications
(only active if connected to a network)
TX RX Indication
FLASH FLASH Unit is communicating normally with TTDM-128
or host.
OFF FLASH Unit is receiving communication from TTDM-128
or host, but is not responding.
OFF ON RS-485 communication wires are reversed
OFF OFF Unit is not communicating with TTDM-128 or host.
Units indicator
Reset pushbutton
Figure 11. RESET pushbutton and units indicator locations
Asia Pacific
Tel +86.21.2412.1688
Fax +86.21.5426.3167
cn.thermal.info@nvent.com
Latin America
Tel +1.713.868.4800
Fax +1.713.868.2333
thermal.info@nvent.com
nVent.com